Date: Wed, 25 Feb 2009 09:36:17 -0800 From: Garrett Cooper <yanefbsd@gmail.com> To: Nathan Whitehorn <nwhitehorn@freebsd.org> Cc: FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: Brokenness in HEAD Message-ID: <11D16AB8-F705-4464-B35B-07A24E26B5E5@gmail.com> In-Reply-To: <49A57020.1080603@freebsd.org> References: <49A57020.1080603@freebsd.org>
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On Feb 25, 2009, at 8:21 AM, Nathan Whitehorn wrote: > Something seems to currently be quite broken in HEAD for PowerPC, at > least on the AIM platform. I'm getting almost immediate panics all > over the place in the kernel, usually indicating memory corruption > somehow (faults on bogus addresses, illegal instructions, etc...). > This is a heads-up to those thinking of updating systems or who > might know what happened. > > The change is on order a week old, and I believe newer than the > 20th. I have not done a full binary search yet, but it is not > related to the following (checked by selective reversion of bits of > the tree, or disabling bits): > - USB code > - ATA code > - Anything in sys/powerpc (the Altivec import in particular) > - Any changes to kernel compile flags or the contents of /usr/src/ > share/mk > > The panics seem to correlated with file system use (either UFS or > NFS), but that may just be testing more code paths than a pure > computational load. > -Nathan Could this be related to the USB4BSD changes? -Garrett
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